How fossils are made crossword
mold
The impression of an organism in a rock
amber
hardened tree sap
frozen
turned into ice
ammonites
A fossil cephalopod that is an important Index fossil of the Triassic period
paleontologist
A scientist who studies fossils
shale
A sedimentary rock formed by the deposition of successive layers of clay.
aquatic
Growing or living in water
petrified
Made into stone
sandstone
Sedimentary. Siliceous. Clastic with sand-sized particles.
paleontology
The scientific study of fossils
replacement
a person or thing take the place of another
impression
leave an imprint on something
mummified
preserved; shriveled up
sedimentary rocks
rocks formed from the compaction or cementation of sediments
decay
rot Decomposition of proteins by enzymes of aerobic bacteria
limestone
sedimentary rock composed of calcite
